IT Support Specialist Interview Questions & Answers (2025)

Below is a list of 20 important interview questions with concise answers for an IT Support Specialist role.

1. Behavioral Questions

Tell us about a time you resolved a critical IT issue under pressure.
I once handled a network outage affecting 50+ employees. I quickly diagnosed the problem, implemented a temporary fix, and coordinated a permanent solution within hours.
How do you handle difficult users?
I remain patient, actively listen to their concerns, and guide them step-by-step while ensuring they feel supported.
Describe a situation where you worked in a team to solve an IT problem.
In my previous role, I collaborated with developers to troubleshoot a server crash, successfully restoring functionality within an hour.
Have you ever had to learn new technology quickly? How did you do it?
Yes, I had to learn Microsoft Intune within a week. I used online courses, documentation, and hands-on practice to gain proficiency.
How do you prioritize multiple IT support tickets?
I assess urgency and impact, address critical issues first, and maintain communication with users to manage expectations.

If a company-wide system goes down, what would be your first steps?
I would verify the issue, identify the root cause, escalate if necessary, and communicate updates to users.
How would you handle a security breach?
I would isolate affected systems, report to the security team, identify the source, and implement preventative measures.
A user is unable to connect to the company’s VPN. What do you do?
I would check network settings, confirm credentials, verify VPN configurations, and guide the user through troubleshooting.
A critical software update causes compatibility issues. How do you resolve it?
I would roll back the update if needed, test compatibility, and work with the software provider for a fix.
If a user loses important files, how do you recover them?
I would check backup solutions, attempt file restoration, and educate the user on data protection practices.

What is Active Directory?
Active Directory is a Microsoft service used for authentication, access control, and managing user accounts in a network.
Explain the difference between HTTP and HTTPS.
HTTPS encrypts data using SSL/TLS for secure communication, while HTTP does not.
What are the primary differences between Windows and Linux OS?
Windows has a GUI-based approach, while Linux is open-source, customizable, and more command-line focused.
What is DNS, and why is it important?
DNS translates domain names into IP addresses, enabling users to access websites without remembering numerical IPs.
How do you troubleshoot a slow computer?
I check background processes, update software, scan for malware, and optimize startup programs.

Why do you want to work as an IT Support Specialist?
I enjoy problem-solving and helping users, and IT support allows me to combine both skills.
How do you stay updated with the latest IT trends?
I follow tech blogs, take online courses, and participate in IT forums.
Describe your ideal work environment.
A collaborative, fast-paced environment with opportunities for learning and growth.
What do you do if you make a mistake in your work?
I take responsibility, correct it immediately, and learn from it to prevent recurrence.
How do you handle constructive criticism?
I appreciate feedback as it helps me grow and improve my skills.

These questions will help you prepare for an IT Support Specialist interview in 2025.